#include<iostream>
#include<iomanip>
#include<cstdio>
using namespace std;
int main()
{
	int n;
	cin >> n;
	int k = 1;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < n - i; j++) {
			printf("%02d", k++);
		}
		cout << endl;
	}
	return 0;
}